Steel alloys with little to no alloying components in their chemistry have a propensity to corrode quickly. They are vulnerable to corrosion known as uniform or general corrosion, which causes deterioration. Such alloys degrade uniformly across their full surface area when exposed to aqueous or air conditions. Thus, uniform corrosion was named. These alloys are typically used in applications where high costs are not acceptable. Fortunately, the problem with general corrosion can be resolved by using ASTM A269 TP 304 stainless steel seamless tubes.
These ASME SA 269 TP 304 Stainless Steel Seamless Tubes are widely accessible since they are a versatile alloy. As a result, it is usual to find ASTM A269 TP304 Stainless Steel Tubing in a variety of applications where it is necessary to limit the cost of the initial investment to a low. The ASME SA269 TP304 Stainless Steel Tube has strong resistance to general corrosion and also shows resistance to oxidising acids. For instance, the ASTM A269 TP304 Seamless Tube can withstand deterioration up to a temperature of 176°F in applications that contain a solution of nitric acid at a concentration of 55 percent.
And at moderately high temperatures, in the presence of caustic solutions that do not contain chlorides or fluorides, ASTM A269 TP304 Rectangular Tube is known to exhibit a successful performance. Although the alloy is not suited to marine engineering applications, the use of astm a269 tp 304 is suited to applications involving freshwater bodies, provided the concentration of chlorides in the said freshwater source is less than 100ppm. As the composition of chloride in water increases, the ASTM A269 TP304 Square Tube tends to become susceptible to both crevice corrosion as well as pitting. In order to increase the strength and hardness properties of the alloy, the astm a269 tp304 tubes could be cold worked.
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Specification
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ASTM A-269 & Its equivalent ASME, DIN & EN Standard.
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Type
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SEAMLESS / WELDED / ERW / EFW / COLD DRAW / HOT FINISH / COLD FINISH
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Outer Diameter Size
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SEAMLESS – 6 MM OD TO 114.3 MM OD
WELDED / ERW- 10 MM TO 114.3 MM OD |
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Wall Thickness
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0.8 MM TO 4 MM WALL THICKNESS
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Length
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01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
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Ends
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Plain Ends / Beveled Ends
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Delivery Conditions
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As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw
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Coating
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Electropolish, Mechanical Polish, Satin Finish, Passivated
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Other Testing
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Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain
Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc
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Dimension
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All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
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Value Added Services
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Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
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Packaging
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Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
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Material Test Certificate
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Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC
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|
Size
OD, Inches |
BW
Ga. |
Wall
Dec-In. |
ID
|
Weight
Lbs/Ft. |
|---|---|---|---|---|
|
1/8
|
22
|
0.028
|
0.069
|
0.0290
|
|
20
|
0.035
|
0.055
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0.0336
|
|
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3/16
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22
|
0.028
|
0.131
|
0.0478
|
|
1/4
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25
|
0.020
|
0.210
|
0.0491
|
|
22
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0.028
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0.194
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0.0664
|
|
|
21
|
0.032
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0.187
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0.0745
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|
|
20
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0.035
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0.180
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0.0804
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|
|
18
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0.049
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0.152
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0.1052
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|
|
16
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0.065
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0.120
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0.1284
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|
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5/16
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20
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0.035
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0.242
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0.1039
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|
18
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0.049
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0.214
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0.1382
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|
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16
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0.065
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0.182
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0.1722
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|
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3/8
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22
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0.028
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0.319
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0.1038
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20
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0.035
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0.305
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0.1271
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|
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18
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0.049
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0.277
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0.1706
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|
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16
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0.065
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0.245
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0.2152
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|
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7/16
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18
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0.049
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0.340
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0.2036
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1/2
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25
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0.020
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0.460
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0.1025
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20
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0.035
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0.430
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0.1738
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|
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18
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0.049
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0.402
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0.2360
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|
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16
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0.065
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0.370
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0.3020
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|
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5/8
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20
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0.035
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0.555
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0.2205
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18
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0.049
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0.527
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0.3014
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|
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16
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0.065
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0.495
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0.3888
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|
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3/4
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20
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0.035
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0.680
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0.2673
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|
18
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0.049
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0.652
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0.3668
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|
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16
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0.065
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0.620
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0.4755
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|
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14
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0.083
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0.584
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0.5913
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|
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7/8
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18
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0.049
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0.777
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0.4323
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16
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0.065
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0.745
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0.5623
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|
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11
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0.120
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0.635
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0.9676
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|
1
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20
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0.035
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0.930
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0.3607
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18
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0.049
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0.902
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0.4977
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|
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16
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0.065
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0.870
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0.6491
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|
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14
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0.083
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0.834
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0.8129
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|
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11
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0.120
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0.760
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1.1278
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1-1/4
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11
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0.120
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1.010
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1.4480
|
| 0.250 | 0.020 | 12.50 | 0.210 | 0.0145 | 0.0346 |
| 0.250 | 0.028 | 8.93 | 0.194 | 0.0195 | 0.0296 |
| 0.250 | 0.035 | 7.14 | 0.180 | 0.0236 | 0.0254 |
| 0.250 | 0.049 | 5.10 | 0.152 | 0.0309 | 0.0181 |
| 0.250 | 0.065 | 3.85 | 0.120 | 0.0378 | 0.0113 |
| 0.375 | 0.020 | 18.75 | 0.335 | 0.0223 | 0.0881 |
| 0.375 | 0.028 | 13.39 | 0.319 | 0.0305 | 0.0799 |
| 0.375 | 0.035 | 10.71 | 0.305 | 0.0374 | 0.0731 |
| 0.375 | 0.049 | 7.65 | 0.277 | 0.0502 | 0.0603 |
| 0.375 | 0.065 | 5.77 | 0.245 | 0.0633 | 0.0471 |
| 0.500 | 0.020 | 25.00 | 0.460 | 0.0302 | 0.1662 |
| 0.500 | 0.028 | 17.86 | 0.444 | 0.0415 | 0.1548 |
| 0.500 | 0.035 | 14.29 | 0.430 | 0.0511 | 0.1452 |
| 0.500 | 0.049 | 10.20 | 0.402 | 0.0694 | 0.1269 |
| 0.500 | 0.065 | 7.69 | 0.370 | 0.0888 | 0.1075 |
| 0.500 | 0.083 | 6.02 | 0.334 | 0.1087 | 0.0876 |
| 0.625 | 0.020 | 31.25 | 0.585 | 0.0380 | 0.2688 |
| 0.625 | 0.028 | 22.32 | 0.569 | 0.0525 | 0.2543 |
| 0.625 | 0.035 | 17.86 | 0.555 | 0.0649 | 0.2419 |
| 0.625 | 0.049 | 12.76 | 0.527 | 0.0887 | 0.2181 |
| 0.625 | 0.065 | 9.62 | 0.495 | 0.1144 | 0.1924 |
| 0.625 | 0.083 | 7.53 | 0.459 | 0.1413 | 0.1655 |
| 0.625 | 0.095 | 6.58 | 0.435 | 0.1582 | 0.1486 |
| 0.625 | 0.109 | 5.73 | 0.407 | 0.1767 | 0.1301 |
| 0.750 | 0.028 | 26.79 | 0.694 | 0.0635 | 0.3783 |
| 0.750 | 0.035 | 21.43 | 0.680 | 0.0786 | 0.3632 |
| 0.750 | 0.049 | 15.31 | 0.652 | 0.1079 | 0.3339 |
| 0.750 | 0.065 | 11.54 | 0.620 | 0.1399 | 0.3019 |
| 0.750 | 0.083 | 9.04 | 0.584 | 0.1739 | 0.2679 |
| 0.750 | 0.095 | 7.89 | 0.560 | 0.1955 | 0.2463 |
| 0.750 | 0.109 | 6.88 | 0.532 | 0.2195 | 0.2223 |
| 0.750 | 0.120 | 6.25 | 0.510 | 0.2375 | 0.2043 |
| 0.875 | 0.020 | 43.75 | 0.835 | 0.0537 | 0.5476 |
| 0.875 | 0.028 | 31.25 | 0.819 | 0.0745 | 0.5268 |
| 0.875 | 0.035 | 25.00 | 0.805 | 0.0924 | 0.5090 |
| 0.875 | 0.049 | 17.86 | 0.777 | 0.1272 | 0.4742 |
| 0.875 | 0.065 | 13.46 | 0.745 | 0.1654 | 0.4359 |
| 0.875 | 0.083 | 10.54 | 0.709 | 0.2065 | 0.3948 |
| 0.875 | 0.095 | 9.21 | 0.685 | 0.2328 | 0.3685 |
| 0.875 | 0.109 | 8.03 | 0.657 | 0.2623 | 0.3390 |
| 0.875 | 0.120 | 7.29 | 0.635 | 0.2846 | 0.3167 |
| 1.000 | 0.028 | 35.71 | 0.944 | 0.0855 | 0.6999 |
| 1.000 | 0.035 | 28.57 | 0.930 | 0.1061 | 0.6793 |
| 1.000 | 0.049 | 20.41 | 0.902 | 0.1464 | 0.6390 |
| 1.000 | 0.065 | 15.38 | 0.870 | 0.1909 | 0.5945 |
| 1.000 | 0.083 | 12.05 | 0.834 | 0.2391 | 0.5463 |
| 1.000 | 0.095 | 10.53 | 0.810 | 0.2701 | 0.5153 |
| 1.000 | 0.109 | 9.17 | 0.782 | 0.3051 | 0.4803 |
| 1.000 | 0.120 | 8.33 | 0.760 | 0.3318 | 0.4536 |
| 1.000 | 0.134 | 7.46 | 0.732 | 0.3646 | 0.4208 |
| 1.250 | 0.035 | 35.71 | 1.180 | 0.1336 | 1.0936 |
| 1.250 | 0.049 | 25.51 | 1.152 | 0.1849 | 1.0423 |
| 1.250 | 0.065 | 19.23 | 1.120 | 0.2420 | 0.9852 |
| 1.250 | 0.083 | 15.06 | 1.084 | 0.3043 | 0.9229 |
| 1.250 | 0.095 | 13.16 | 1.060 | 0.3447 | 0.8825 |
| 1.250 | 0.109 | 11.47 | 1.032 | 0.3907 | 0.8365 |
| 1.250 | 0.120 | 10.42 | 1.010 | 0.4260 | 0.8012 |
| 1.250 | 0.134 | 9.33 | 0.982 | 0.4698 | 0.7574 |
| 1.500 | 0.035 | 42.86 | 1.430 | 0.1611 | 1.6061 |
| 1.500 | 0.049 | 30.61 | 1.402 | 0.2234 | 1.5438 |
| 1.500 | 0.065 | 23.08 | 1.370 | 0.2930 | 1.4741 |
| 1.500 | 0.083 | 18.07 | 1.334 | 0.3695 | 1.3977 |
| 1.500 | 0.095 | 15.79 | 1.310 | 0.4193 | 1.3478 |
| 1.500 | 0.109 | 13.76 | 1.282 | 0.4763 | 1.2908 |
| 1.500 | 0.120 | 12.50 | 1.260 | 0.5202 | 1.2469 |
| 1.500 | 0.134 | 11.19 | 1.232 | 0.5750 | 1.1921 |
| 1.500 | 0.148 | 10.14 | 1.204 | 0.6286 | 1.1385 |
| 1.750 | 0.035 | 50.00 | 1.680 | 0.1886 | 2.2167 |
| 1.750 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
| 1.750 | 0.065 | 26.92 | 1.620 | 0.3441 | 2.0612 |
| 1.750 | 0.083 | 21.08 | 1.584 | 0.4347 | 1.9706 |
| 1.750 | 0.095 | 18.42 | 1.560 | 0.4939 | 1.9113 |
| 1.750 | 0.109 | 16.06 | 1.532 | 0.5619 | 1.8433 |
| 1.750 | 0.120 | 14.58 | 1.510 | 0.6145 | 1.7908 |
| 1.750 | 0.134 | 13.06 | 1.482 | 0.6803 | 1.7250 |
| 1.750 | 0.148 | 11.82 | 1.454 | 0.7449 | 1.6604 |
| 1.750 | 0.165 | 10.61 | 1.420 | 0.8216 | 1.5837 |
| 2.000 | 0.035 | 57.14 | 1.930 | 0.2161 | 2.9255 |
| 2.000 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
| 2.000 | 0.065 | 30.77 | 1.870 | 0.3951 | 2.7465 |
| 2.000 | 0.083 | 24.10 | 1.834 | 0.4999 | 2.6417 |
| 2.000 | 0.095 | 21.05 | 1.810 | 0.5685 | 2.5730 |
| 2.000 | 0.109 | 18.35 | 1.782 | 0.6475 | 2.4941 |
| 2.000 | 0.120 | 16.67 | 1.760 | 0.7087 | 2.4328 |
| 2.000 | 0.134 | 14.93 | 1.732 | 0.7855 | 2.3561 |
| 2.000 | 0.148 | 13.51 | 1.704 | 0.8611 | 2.2805 |
| 2.000 | 0.165 | 12.12 | 1.670 | 0.9512 | 2.1904 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Grade |
Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
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Size
Inches |
Tolerances, Inches
|
|||
|---|---|---|---|---|
|
OD,
Inches |
Wall
|
Ovality
2 x Tol., In. |
Cut Length
(b), In. |
|
|
Less than 1/2
|
±0.005
|
±15%
|
——
|
+1/8
–0 |
|
Over 1/2 to 1-1/2
|
±0.005
|
±10%
|
–0.065
|
|
|
Over 1-1/2 to 3-1/2
|
±0.010
|
±10%
|
–0.095
|
+3/16
–0 |
|
Over 3-1/2 to 5-1/2
|
±0.015
|
±10%
|
–0.150
|
|
|
Over 5-1/2 to 8
|
±0.030
|
±10%
|
——
|
|
